316 is good, the performance parameters are better than 304, the use is also more extensive.
316 stainless steel is added on the basis of 305 molybdenum, so that the steel has good resistance to reducing media and point corrosion resistance, corrosion resistance in seawater and other media than 304 good. Also has good creep strength.
One, 316 stainless steel corresponding to the grade: 1, GB-T standard: digital grade: S31608, new grade: 06Cr17Ni12Mo2, the old grade: 0Cr17Ni12Mo2, 2, the American standard: ASTMA standard: S31600, SAE standard: 30316, UNS standard: 316, 3, the Japanese standard JIS standard: sus316,4, German standard DIN standard: 1.4401,5, European standard EN standard: X5CrNiMo17-12-2, French standard NF standard: z6cnd17.12, British standard BS standard: 316S14,316S16, Sweden: 2347NTR standard: APML.
Two, 316 Stainless steel chemical composition: (1) carbon C: ≤ 0.08, (2) silicon Si: ≤ 1.00, (3) manganese Mn: ≤ 2.00, (4) phosphorus P: ≤ 0.045, (5) sulfur S: ≤ 0.030, (6) chromium Cr: 16.00 ~ 18.00, (7) nickel Ni: 10.00 ~ 14.00, (8) molybdenum Mo: 2.00 ~ 3.00, (9) nitrogen N: -, (10) Copper Cu: -, (11) other elements: -.
Three, 316 stainless steel physical properties: ① density density (20 ℃)
/kg/dm3: "8, ② melting point / ℃: 1370 ~ 1397, ③ Specific heat capacity (0 ~ 100 ℃) / kg / (kg.k): 0.5", ④ thermal conductivity / w / (m.k)
100 ℃ -: "16.3", (5) Thermal conductivity/w/(m.k)
500℃-:
"21.5", (6) Coefficient of Linear Expansion
/(10-6/k)
0~100℃: "16", (7) Coefficient of Linear Expansion/(10-6/k)
0~529℃: "18.5", (8) Electrical Resistivity (20℃)<
/(Ω.mm2/m): "0.74",⑨ Longitudinal modulus of elasticity
(20℃)/GPa: "193,⑩ Magnetism:None.
Four, 316 stainless steel mechanical properties: (1) delivery status: bar cutting and processing solution treatment, hot pressure processing without solution treatment, plate solution pickling, (2) tensile strength (RM / MPa): 520, (3) elongation strength (Rp0.2 / MPa): 205, (4) elongation A/%: 40, (5) sectional shrinkage (Z / %): 60
V, 316 stainless steel heat treatment: ① hardness HBW ≤: solid solution 187, hardness HRB ≤: -, ② heating temperature 1010 ~ 1150, ③ heating mode: fast cooling.
316 stainless steel applications: mainly used for pitting corrosion resistant materials used. Such as heat exchange components and high temperature corrosion resistant bolts.